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 ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ <br /> **********************  AERSCREEN MAXIMUM IMPACT SUMMARY  ********************* <br /> ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ <br /> 3‐hour, 8‐hour, and 24‐hour scaled <br /> concentrations are equal to the 1‐hour concentration as referenced in <br /> SCREENING PROCEDURES FOR ESTIMATING THE AIR QUALITY <br /> IMPACT OF STATIONARY SOURCES, REVISED (Section 4.5.4) <br /> Report number EPA‐454/R‐92‐019 <br /> http://www.epa.gov/scram001/guidance_permit.htm <br /> under Screening Guidance <br />                      MAXIMUM      SCALED      SCALED      SCALED      SCALED <br />                       1‐HOUR      3‐HOUR      8‐HOUR     24‐HOUR      ANNUAL <br />   CALCULATION          CONC        CONC        CONC        CONC        CONC <br />    PROCEDURE         (ug/m3)     (ug/m3)     (ug/m3)     (ug/m3)     (ug/m3) <br /> ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐    ‐‐‐‐‐‐‐‐‐‐  ‐‐‐‐‐‐‐‐‐‐  ‐‐‐‐‐‐‐‐‐‐  ‐‐‐‐‐‐‐‐‐‐  ‐‐‐‐‐‐‐‐‐‐ <br /> FLAT TERRAIN        2.254       2.254       2.254       2.254         N/A <br /> DISTANCE FROM SOURCE        153.00 meters <br /> IMPACT AT THE <br /> AMBIENT BOUNDARY    1.685       1.685       1.685       1.685         N/A <br /> DISTANCE FROM SOURCE          1.00 meters